The latest report reflects the steady growth in online video viewership and online video advertising. According to the report, currently 84.8 percent of the American internet audience watches online video in some form.

Google sites, driven largely by YouTube, dominated the online video rankings in May with more than 154.3 million unique viewers, followed by Facebook at 60.4 million and AOL at 53.8 million viewers. These viewers watched videos that were on average 5.6 minutes long, unchanged from April’s report.

The report also stated that video ads garnered 15.8 billion video views, an increase from 13 billion video views. Viewers watched more than 6 billion hours of ads, up nearly a billion from the 5.1 billion hours watched in April. The average online video ad clocked in at 0.4 minutes or 24 seconds.

When it comes to which network has the most unique viewers, VEVO is at the top with 50.2 million visitors, and Fullscreen is once again the no. 1 independent network with nearly 36.5 million unique viewers.